package org.example.admin.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.solon.annotation.Db;
import org.example.admin.entity.Demo;
@Mapper
public interface DemoMapper extends BaseMapper<Demo> {
    Demo findById(Long id);
}
